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/*
* Copyright 2007 The Closure Compiler Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.javascript.jscomp;
import com.google.javascript.jscomp.parsing.parser.util.format.SimpleFormat;
import java.io.PrintStream;
/**
* An error report generator that prints errors and warnings to the print stream provided.
*
* It collaborates with a {@link SourceExcerptProvider} via a {@link MessageFormatter} to display
* error messages with source context.
*/
public class PrintStreamErrorReportGenerator implements SortingErrorManager.ErrorReportGenerator {
private final MessageFormatter formatter;
private final PrintStream stream;
private final int summaryDetailLevel;
/**
* Creates an error report generator.
*
* @param formatter the message formatter used to format the messages
* @param stream the stream on which the errors and warnings should be printed. This class does
* not close the stream
*/
public PrintStreamErrorReportGenerator(
MessageFormatter formatter, PrintStream stream, int summaryDetailLevel) {
this.formatter = formatter;
this.stream = stream;
this.summaryDetailLevel = summaryDetailLevel;
}
@Override
public void generateReport(SortingErrorManager manager) {
for (SortingErrorManager.ErrorWithLevel e : manager.getSortedDiagnostics()) {
println(e.level, e.error);
}
printSummary(manager);
}
private void println(CheckLevel level, JSError error) {
stream.println(error.format(level, formatter));
}
private void printSummary(ErrorManager manager) {
if (summaryDetailLevel >= 3
|| (summaryDetailLevel >= 1 && manager.getErrorCount() + manager.getWarningCount() > 0)
|| (summaryDetailLevel >= 2 && manager.getTypedPercent() > 0.0)) {
if (manager.getTypedPercent() > 0.0) {
stream.print(
SimpleFormat.format(
"%d error(s), %d warning(s), %.1f%% typed%n",
manager.getErrorCount(), manager.getWarningCount(), manager.getTypedPercent()));
} else {
stream.print(
SimpleFormat.format(
"%d error(s), %d warning(s)%n",
manager.getErrorCount(), manager.getWarningCount()));
}
}
}
}